@article{IIGUM_2014_9_a0,
     author = {S. A. Badmaev and I. K. Sharankhaev},
     title = {Minimal {Partial} {Ultraclones} on a {Two-Element} {Set}},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {3--9},
     publisher = {mathdoc},
     volume = {9},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2014_9_a0/}
}